Press once: Zoom, centering,
or escapes from current opera-
tion, depending on display in
use.
Press twice: Opens menu.
Selects display mode.
Long press: Turns power
off.
Touch and release: Turns
power on. Opens the display
for adjustment of dimmer
and contrast.
Inscribes mark, MOB mark
on the display.
Sets/cancels destination.
Registers items on menus.
Cursor Pad
Shifts cursor and display.
Selects items on menus.
MENU
DIM
PWR
MARK
MOB
ENT
DISP
GOTO